Career[edit] In 1987, he worked at Softdisk Inc., where he was both a programmer and the editor of Softdisk, a software bundle delivered monthly. Along with some of his co-workers, John Carmack, John Romero and Adrian Carmack, he founded id Software. He served as creative director and designer there, working upon games such as the Commander Keen series, Wolfenstein 3D, Spear of Destiny, and Doom. After some disputes with John Carmack about the design for Doom and the amount of gore and violence, he left id Software in August 1993 to join Apogee/3D Realms. He was the game designer for Rise of the Triad, produced Terminal Velocity, and helped in varying degrees on Duke Nukem II and Duke Nukem 3D as well.
Depending on the type of wood and other specifications, a permanent wheelchair ramp used to reach a height of 30 inches (30 feet long) can cost between $3,500 and $8,000, or between $100 and $250 per linear foot.
Building the ramp from composite decking, aluminum decking or a synthetic wood material will increase costs and might be more attractive and durable. The materials for a project like this will cost $500-$2,000 depending on what material you use, how long and wide the ramp is, and other factors.Widening Doorways. Widening an exterior door will generally cost more than widening an interior door since siding or brick is harder to work with and more costly.uilding the ramp from composite decking, aluminum decking or a synthetic wood material will increase costs and might be more attractive and durable. The materials for a project like this will cost $500-$2,000 depending on what material you use, how long and wide the ramp is, and other factors.